Re: DB Cluster hanging

Nigel Bishop <nigel.bishop@gmail.com> writes:
> Last night at 3am our Postgresql DB cluster hung.  At the time data
> was being loaded.  The parameter log_statement_stats in the
> postgresql.conf file was set to true.  This was churning out data into
> the logfile which was switching every 10Mb.  Eventually the partition
> where the logfiles are written to filled up � fair enough � this had
> been going on since about 5.30pm the previous evening and the logfiles
> were being generated at the rate of 4/5 a minute.  The partition was
> cleared of old logs and I expected the DB to spring in to life, but no
> it just sat there.  I could not connect with psql or pg_ctl to
> shutdown the cluster.

How was the logging being done exactly?  syslog?  redirect_stderr?
If redirect_stderr, this could well be a PG bug --- I kinda doubt
anyone has tested that scenario.

            regards, tom lane